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OpenRouter API

120 AI Chat lets you connect your own OpenRouter API key.

API Key Setup Guide

  1. Visit openrouter.ai.
  2. In your account, generate a new API key.
  3. In 120 AI Chat → Settings → AI Providers, paste your key into the OpenRouter Key field.

💡 Billing is managed directly by OpenRouter.

Example pricing (Mar 2026):

  • OpenAI GPT-5.4: $2.50 / 1M input tokens, $15.00 / 1M output tokens.
  • Anthropic Claude Sonnet 4.6: $3.00 / 1M input tokens, $15.00 / 1M output tokens.
  • Google Gemini 3.1 Pro Preview: $2.00 / 1M input tokens, $12.00 / 1M output tokens.

OpenRouter pricing varies by model and provider, with live per-model rates for input, output, cache, image, and tool-related costs where applicable. See the latest rates at OpenRouter Models.